## Superfun dRecord s Cente r SITE : ^s\U M Vs 

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## BREAK : __M . OTHER

- W W U.S . ENVIRONMENTA LPROTECTIO N AGENCY 1 " ^

NE WENGLAN D 1 CONGRES S STREET , SUIT E 1100 , BOSTON , M A 02114-202 3 MEMORANDU M DATE : Jun e 8 , 200 4 SUBJ : ACTIO N MEMORANDU M - Reques t for aCeilin g Increas e for

th e Non-Tim e Critica l Remova l Actio n at th e Eastlan dWoole n Mil l Superfun dSite , Corinna , Main e FROM : EdwardM . Hathaway , Remedia l Projec t Manage r ME/VT/C T Superfun dSectio n THRU : Mar

y Sanderson , Chie f

• > OSRRI I Branc h

TO : Arthu r

Johnson , Chie f Emergenc y Plannin g an dRe^ons e Branc h Susan Studlien , Directo r Offic e o f Site Remediatio n an dRestoratio n SiteID#01T 6 I . PURPOS E Thi s Actio n Memorandu mrequest s an ddocument s you r approva l o f

afourt hceilin g increas e for th e non-time-critica l remova l actio n (NTCRA ) describe dherei n for th e Eastlan dWoole n Mil l Superfun dSite , locate do n Route 7 i n Corinna , Maine . Th e ceilin g for th e NTCR A wil l b e increase db y $3,275,18 9 t o $61,000,000 . Thi s i s expecte dt o b e th e final ceilin g increas e for th e NTCRA . Th e Jul y 1999 , Jun e 2000,,Septembe r 2000 , an dMa

y 200 1 Actio n Memorand aapprove da consistenc y exemptio n fro mth e $ 2 millio n an d12-mont hstatutory limit s o n fundlea dremoval actions . Th e sam e basi s for astatutory exemptio n applie s t o thi s ceilin g increase . Thi s Actio n Memorandu mals o clarifie s that In-Sit u Oxidatio n wil l b e use dt o addres s th e dee p overburde n an dshallo w bedroc k sourc e materia l tha t

was no t accessibl e durin g th e excavatio n o f contaminate dsoil . A s state di n th e Jul y 199 9 Actio n Memorandum , th e overal l objectiv e o f th e NTCR A i s t o eliminat e th e sourc e o f

th e soil , groundwater , an dsedimen t contaminatio n i n orde r

t o protec t curren t an dfutur e users o f groundwate r

at o r near th e Site , future user s o f

th e Sit e property , an d ecological receptors . I n genera l terms , th e NTCR A consist s o f th e treatmen t

o f soi l containin g

SDM S DocI D ~ N

50438 5ACTIO N MEMORANDU M FO RTH E EASTLAN D WOOLE N MIL LSIT E - JUN E 200 4

concentration s o f

monochlorobenzene , benzene , 1,2 dichlorobenzene , 1, 3 dichlorobenzene , 1, 4 dichlorobenzene , 1,2, 3 trichlorobenzene , an d1,2, 4 trichlorobenzen e abov e th e soi l cleanu p level s establishe di n th e Jul y 199 9 Actio n Memorandum . Thi s NTCR A wil l b e performe db y EP A usin g fundmone y a s n o PR P i s availabl e t o implement th e respons e actio n i n atimel y manner . Thi s Actio n Memorandu mdoe s no t includ e an y activitie s tha t woul drequir e Post-Remova l Site Contro l (PRSC) . Thi s NTCR A wil l ensur e that EPA can provid e atimel y respons e t o effectivel y minimiz e threat s t o publi c healtho r

welfare o r

th e environmen t

whic hmay resul t

fromth e continuin g releas e and/o r threat o f releas e o f

hazardou s substance s at

an dfromth e Site , an di s consisten t with EPA' s Superfun dAccelerate dCleanu p Mode l (SACM) . II . SIT E CONDITION S AN D BACKGROUN D A . Sit e Descriptio n CERCLI S I D No. : MED98091547 4 Sit e ID . No. : 01T 6 Categor y Non-time-critica l Th e Site include s th e former Eastlan dWoole n Mil l an dth e local areas.contaminate dby . th e releas e o f hazardou s substance s fromth e Eastlan dWoole n Mill. Eastlan dWoole n Mil l wa s a textil e mil l tha t

bega n operatio n i n approximatel y 1909 . Th e Eastlan dWoole n Mil l cease d. operatio n i n 199 6 an dth e majorit y o f th e Mil l property i s no w owne db y th e Tow n o f Corinna . 1 . Remova l Site Evaluatio n Se e Jul y 22 , 199 9 Actio n Memorandu mfor th e origina l informatio n relatin g t o th e remova l sit e evaluation . Sinc e th e signin g o f th e Jul y 199 9 Actio n Memorandum , EP A ha s complete dth e demolitio n o f th e forme r

mil l structure s a s wel l a s th e excavatio n an d, treatmen t o f th e contaminate dsoil . Th e remainin g NTCR A activitie s includ e restoratio n o f th e area s disturbe da s part o f th e NTCR A an din-situ treatmen t o f th e remainin g sourc e contaminatio n i n th e dee p overburde n soi l an dshallo w bedrock . EP A signe daRecor do f Decisio n for

th e groundwate r

withi n downtow n Corinna , referre dt o a s Operabl e Uni t I , i n Septembe r

2002 . Th e Operabl e Uni t I remedia l actio n wil l targe t th e restoratio n o f

th e bedroc k an doverburde n aquifers . EP A ha s complete dth e remedia l investigatio n an d feasibility stud y for

Operabl e Unit

I I an dexpect s t o issu e acleanu p proposa l i n summe r 2004

- Figur e 1 show s th e area s subjec t t o th e NTCRA , Operabl e Uni t I , an dOperabl e Unit II activities .ACTIO N MEMORANDU M FO RTH E EASTLAN D WOOLE N MIL LSIT E - JUN E 200 4

2 . Physica l Locatio n Th e Eastlan dWoole n Mil l Site i s locate di n th e Tow n o f Corinna , Penobsco t

County , Maine . Th e Tow n o f

Corinn ai s locate dapproximatel y 2 5 mile s northwes t o f Bangor , Maine . Approximatel y 80 0 persons liv e withi n 1 mil e o f th e Sit e an d2,50 0 with4 miles . Th e Site was originall y dominate db y th e 250,00 0 squar e foo t Eastlan dWoole n Mill . Th e former

mil l ha s bee n removed . Tw o dam s are foun di n th e vicinit y o f th e Site . On e dami s approximatel y 50 0 feet north(upstream ) o f

th e locatio n o f

th e former

Eastlan d Woole n Mil l an dserve s a s th e outle t for Corrunde l Lake . Th e secon ddami s locate d approximatel y 0. 5 mile s dow n rive r o f th e Eastlan dWoole n Mill . Th e Site ha s bee n use da s industria l property sinc e at leas t 1912 . Th e Eastlan dWoole n Mil l buildin g may hav e bee n constructe da s earl y a s th e lat e 1800's . Th e Eastlan d Woole n Mil l Compan y owne dan doperate dth e mil l fro m193 6 unti l 1996 . Th e compan y asset s wer e sol dat

area l estat e foreclosure auctio n i n 1997 . I n 1997 , th e Tow n o f Corinn atoo k

titl e t o th e parce l o n whic hth e majority o f th e Eastlan dWoole n Mil l building s are located . 3 . Site Characteristics : Se e Jul y 22 , 199 9 Actio n Memorandu mfor th e sit e characteristic s tha t

wer e th e basi s for

th e NTCRA . 4 . Releas e o r

Threatene dRelease : Se e Jul y 22 . 199 9 Actio n Memorandu mfor th e releas e o r threatene dreleas e informatio n that was th e basi s for

th e NTCRA . 5 . NP LStatus : Th e Site was place do n th e NP Li n Jul y 1999 . 6 . Maps , pictures , an dothe r graphi c representations : Se e Jul y 22 , 199 9 Actio n Memorandu mfor

thi s information . Figur e 2 show s th e are awher e NTCR A activity wil l b e complet e i n 200 4 an dwher e th e additional NTCR A wor k wil l occur . 7 . Curren t

Statu s o f NTCR A Th e NTCR A i s abou t

90 % complete . Th e contaminate dsoi l tha t wa s accessibl e ha s bee n excavate dan dtreate dt o level s tha t allow,fo r sit e re-use . Th e area s disturbe db y th e NTCR A hav e bee n partiall y restore da s o f Apri l 2004 . Th e remainin g NTCR A activitie s includ e th e in-situ treatmen t o f sourc e area s tha

t wer e not accessibl e for

excavatio n an d treatmen t a s wel l a s th e remainin g restoratio n activities . Th e NTCR A i s expecte dt o b e complete di n 2006 .ACTIO N MEMORANDU M FO RTH E EASTLAN D WOOLE N MIL LSIT E - JUN E 200 4

8 . Basi s for

Ceilin g Increas e Thi s ceilin g increas e i s base dupo n th e update dSit e cos t information . With90 % o f th e wor k complete , an accurat e pictur e o f th e cos t t o complet e ha s bee n developed . Th e actual extramura l direc t

increas e i s $1. 7 millio n fro m$44. 9 millio n t o $46. 6 million , whic hi s les s tha n 5 % o f

th e tota l NTCR A costs . Th e basi s for th e fundin g increas e i s a mor e realisti c cos t

estimat e for

th e in-situ treatmen t

o f th e dee p overburde n sourc e materia l basedupo n th e completio n o f th e desig n an dth e update dcos t t o demolis hth e soi l treatmen t

facilit y an drestor e th e Site area s disturbe da s part o f th e NTCRA . 

### III . THREAT S T O PUBLI C HEALT H O R WELFAR E O R TH E ENVIRONMENT . AN D STATUTOR Y AN D REGULATOR Y AUTHORITIE S Sectio n 300.415(b)(2 ) o f

th e Nationa l Contingenc y Pla n (NCP ) list s anumbe r o f factor s for

EP A t o conside r

i n determinin g whethe r

aremoval actio n i s appropriate , including : (i ) Actua l o r

potentia l exposur e t o nearb y huma n populations , animals , o r th e foo d chai n fromhazardou s substance s o r pollutant s o r

contaminants ; (ii ) Actua l o r

potential contaminatio n o f drinkin g wate r

supplie s o r

sensitiv e ecosystems ; (iii ) Hazardou s substance s o r pollutant s o r

contaminant s i n drums , barrels , tanks , o r othe r bul k storag e containers , tha t

may pos e athrea t

o f release ; (iv ) Hig hlevel s o f

hazardou s substance s o r

pollutant s o r

contaminant s i n soil s largel y at o r near th e surface , that

may migrate ; (v ) Weathe r

condition s that

may caus e hazardou s substance s o r pollutant s o r contaminant s t o migrat e o r b e released ; (vi ) Threat

o f fire o r explosion ; (vii ) Th e availability o f

other appropriat e federal o r

stat e respons e mechanism s t o respon dt o th e release; an d (viii ) Othe r

situation s o r

factor s that

may pos e threat s t o publi c healtho r welfare o f th e Unite dState s o r

th e environment . Thi s Actio n Memorandu mceilin g increas e i s base dupo n th e sam e factor s a s th e Jul y 22 , 199 9 4ACTIO N MEMORANDU M FO RTH E EASTLAN D WOOLE N MIL LSIT E - JUN E 200 4

Actio n Memorandum . Th e draf t final desig n activitie s hav e confirme dtha t substantia l concentration s o f

chlorinate dbenzene.contaminatio n are presen t i n th e soi l an dgroundwater a t th e Site . Th e contaminatio n i s havin g an impac t o n th e ecologica l communit y an dthreaten s local wate r supplies . IV . ENDANGERMEN T DETERMINATIO N Actua l o r threatene drelease s o f

hazardou s substances , pollutants , o r contaminants , fromthi s Site , i f no t addresse db y implementin g th e respons e actio n selecte di n thi s Actio n Memorandum , ma y presen t an imminen t

an dsubstantia l endangermen t t o publi c health , o r

welfare , o r

th e environment . V . EXEMPTIO N FRO M STATUTOR Y LIMIT S Thi s ceilin g increas e wil l requir e additiona l fundin g abov e th e statutory ceilin g o f $ 2 millio n dollar s an drequir e mor e tha n 1 yea r t o implement . A s documente di n th e Jul y 22 , 199 9 Actio n Memorandum , thi s NTCR A wil l requir e fundin g abov e th e statutory ceilin g o f $ 2 millio n dollar s an dwil l requir e mor e tha n 1 yea r t o implement . Th e duratio n o f th e remova l ha s bee n revise dt o a

n expecte dtim e frame o f

7 years . Th e same basi s for th e statutory requirement s appl y t o thi s Actio n Memorandum . Thi s Actio n Memorandu mre-affirm s th e findin g that a "consistency " exemptio n i s appropriat e i n orde r t o implemen t

th e NTCR A propose di n thi s Actio n Memorandum . Th e propose drespons e actio n describe di n th e Jul y 1999 , Jun e 2000 , Septembe r 2000 , an dMa

y 200 1 Actio n Memorand aan dthi s Actio n Memorandum , i s considere dt o b e appropriat e an d consisten t withth e remedia l action(s ) t o b e take n at th e Site . Mor e specifically , th e remainin g action s t o b e performe dunde r th e NTCR A ar e precursor s t o th e Operabl e Uni t I groundwate r cleanu p action . Th e implementatio n o f

th e NTCR A i s necessary t o preven t th e further

migratio n o f

th e contaminatio n i n th e soils . Authorizatio n is , therefore , hereb y requeste dfor a"consistency " exemptio n t o excee dth e statutory limit s o f $ 2 millio n an d1 yea

r o n remova l action s i n orde r t o implemen t

th e NTCR A a s describe di n thi s Actio n Memorandum .ACTIO N MEMORANDU M FO RTH E EASTLAN D WOOLE N MIL LSIT E - JUN E 200 4

VI . PROPOSE D ACTION S AN D ESTIMATE D COST S A . Propose dAction s Th e followin g remova l actio n objective s hav e bee n develope dfor th e Site : * Prevent , t o th e exten t practicable , direc t

contac t withan dingestio n o f

surfac e an d subsurfac e soil s tha t

represen t an unacceptabl e healthrisk ; * . Prevent , t o th e exten t practicable , th e migratio n o f chlorinate dbenzene s (an d' othe r contaminants ) i n soil s t o th e groundwate r an dsurfac e water ; an d * Prevent , t o th e exten t practicable , th e releas e o f contaminatio n believe dt o b e withi n th e buildin g t o th e environmen t throug hfloodin g an dfurther degradatio n o f th e structur e fromfire. T o mee t th e remova l actio n objectives , EP A selecte di n th e Jul y 22 , 199 9 Actio n Memorandu maNTCR A t o remov e th e sourc e o f th e soi l an dgroundwater contamination . Thi s alternativ e was referre dt o a s Alternativ e 2 i n th e EE/CA . Th e scop e o f th e NTCR A ha s no t

significantl y change dsinc e th e Jul y 22 , 199 9 Actio n Memorandum . 1 . Propose dActio n Descriptio n (Se e Jul y 1999 , Jun e 2000 , Septembe r 200 0 an d May 200 1 Actio n Memoranda ) Th e action s propose di n th e Jul y 1999 , Jun e 2000 , Septembe r 2000 , an dMay 200 1 Actio n Memorand aremai n th e same . 2 . Contributio n t o Remedia l Performanc e Th e Operabl e Uni t

I Recor do f

Decisio n identifie drestoratio n t o drinkin g wate r standard s a s th e long-termcleanu p strateg y fo r th e groundwater . Th e eliminatio n o f th e materia l that i s actin g a s asourc e o f

th e groundwate r

contaminatio n is . critica l t o th e succes s o f th e Operabl e Uni t

I cleanu p action . A s aresult , th e NTCR A is.entirel y consisten t withal l potentia l future remedia l responses .ACTIO N MEMORANDU M FO RTH E EASTLAN D WOOLE N MIL LSIT E - JUN E 200 4

B . Estimate dCost s Extramura l Cost s Regiona l Allowanc e Cost s $46,500,00 0 (Mone y fromnationa l cleanu p fundwithcontingency ) Othe r extramura l cost s r Stat e o f Main e Cooperativ e Agreemen t $100,00 0 Extramura l Direc t

Cost s Extramura l Indirec t

Cost s Total Extramura l Intramural Cos t Intramura l Direc t $500,00 0 $46,600,00 0 $13.900.00 0 $60,500,00 0

Total Intramura l Tota l Estimate dRemova l Ceilin g $500,00 0 $61.000.00 0 Notes : Existin g Remova l Projecte dCeilin g base dupo n Ma y 200 1 Actio n Memorandum : $57,724,811 , Additiona l Ceilin g Increas e requested : $3,275,18 9 r -ACTIO N MEMORANDU M FO RTH E EASTLAN D WOOLE N MIL LSIT E - JUN E 200 4

VII . EXPECTE D CHANG E I N TH E SITUATIO N SHOUL D ACTIO N B E DELAYE D O RNO T TAKE N Th e activitie s covere db y th e ceilin g increas e wil l allo w for th e completio n o f

th e NTCR A an d facilitate th e complet e re-developmen t o f th e Site . Th e fundin g neede dt o complet e th e NTCR A ha s already bee n receive db y th e Region . VIII . RECOMMENDATIO N Thi s decisio n documen t

represent s aceilin g increas e an dre-affirmatio n o f th e statutory basi s an dconsistenc y exemptio n for th e selecte dremoval actio n fo r th e Eastlan dWoole n Mil l Superfun dSite i n Corinna , Penobsco t County , Maine , develope di n accordanc e withCERCL A a s amended , an di s no t

inconsisten t

withth e NCP . Thi s decisio n i s base dupo n th e Administrativ e Recor dfo r th e Site . Condition s at

th e Site continu e t o mee t th e NC P criteri afo

r aremova l actio n a s specifie da t 4 0 C.F.R . § 300.415(b)(2 ) an dth e CERCL A Sectio n 104(c ) consistency exemption . I recommen d your approval o f

th e propose dprojec t

ceilin g increas e o f

$3,274,18 9 . Th e tota l projec t ceilin g fo r th e NTCRA , i f

approved , wil l b e $61,000,000 . Approv e v X Disapprov e Date : O(o\o%jo^ \ 

### &lf^i i ffr^dlig n Susa n Studlien , Directo r Offic e o f Site Remediatio n an dRestoratio nFORME R EASTLAN D WOOLE N MIL L BUILDIN G 1 4 ARE A

OPERABL E UNI T

OPERABL E UNI

T I I

.LEGEN D 

# < 3 AREAS SUBJEC T T O EARL Y CLEANU P EXTEN T O F OPERABL E UNIT S

37 5 75 0 SCALE : 1"=750 ' 150 0 FEE T

FIGUR E 1 SIT E PLA N SHOWIN G OPERABL E UNI T BOUNDARIE S AN D STUD Y AREA S OL D DUM P

EAS T BRANC H JSEBASnCOO KRIVE R

EASTLAN D WOOLE N MIL L SIT E

CORINNA , MAIN ECorunde l Lake

Availabl e Fo rRedevelopmen t Activitie s i n Sprtyi g 200 4

20 0 40 0 5 Fee t FIGUR E 2 LAN D AVAILABL E FO R REUS E I N 200 4 EASTLAN D WOOLE N MIL L SIT E CORINNA , MAIN E

P . lProjBOT\CoTMna\E O _Figiirto . 2